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The maps illustrate the years 2020, 2050 and 2080, presenting a temperature scenario for Sweden. (Klimat och sårbarhetsutredningen, 2007a).
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Climate change is a phenomenon that affects everyone. It is thus of high relevance to gain knowledge in how the farms that supply society with food will be affected and what adaptations can be made to minimise negative effects on field level. Götaland is expected to have a longer vegetation period in the years 2011-2040, but Southern Sweden is expe...
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Soil erosion from rain-fed upland areas in the dry zone leads to degradation of this land resource, which would otherwise bear a good potential for rain-fed agriculture. Alley cropping is suggested as an alternative to shifting cultivation practiced on this land category. Gliricidia (Gliricidla sepium) has been identified as one of the most suitabl...
In this research the effect of air system four crops, three of weeding (Zea mays L., Phaseolus vulgaris L. and Cucurbita pepo L.) and one dense (Avena sativa L.) on soil loss and runoff was assessed simulated surface by rain. The sampling unit were 16 lots of 1m2 experimental field in the hills of San Juan, of the Autonomous University of Chapingo,...
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Egypt is one of the most populous countries in Africa. Most of Egypt 82.2 million people live near the banks of the Nile River, in an area of about 40,000 km², where the only arable land is found. The large areas of the Sahara Desert are sparsely inhabited. About half of Egypt’s residents live in urban areas, with most people spread across the densely populated centers of greater Cairo, Alexandria and other major cities in the Nile Delta. Egypt’s fertile area totals about 3.3 million ha, about one-quarter of which is land reclaimed from the desert. However, the reclaimed lands only add 7% to the total value of agricultural production. Even though only 3% of the land is arable, it is extremely productive and can be cropped two or even three times annually. Most land is cropped at least twice a year, but agricultural productivity is limited by salinity, which afflicts an estimation of 35% of cultivated land, and drainage issues. Climate change is a natural phenomenon, but humankind has drastically altered the process. Climate change has the potential to affect agriculture through changes in temperature, rainfall timing and quantity, CO2, and solar radiation. Agriculture can both mitigate or worsen global warming. Some of the increase in CO2 in the atmosphere comes from the decomposition of organic matter in the soil, and much of the methane emitted into the atmosphere is caused by the decomposition of organic matter in wet soils such as rice paddies. Egypt’s agricultural development has been constrained by, among other factors, the need to conserve scarce natural resources, the pressures of rapid urbanization, the onslaught of the desert, and, not least important, technological limitations and restrictive economic structures.
The purpose of this review article is to: (1) review the findings of recent climate change impact studies on the water resources in River Nile Basin (RNB) and the possible limits, barriers or opportunities for adaptation to climate change; (2) adaptation measures for climate change in Egypt. Management is further challenged by the trans-boundary nature of river Nile Basin. Climate change, despite uncertainty about the detail of its impacts on water resources, is likely to exacerbate many of these challenges.
